Fix ping pong scroll logic

src/octoprint.h

@@ -138,7 +138,7 @@ bool fetchPrintingStatus(Adafruit_SSD1306& display) {
     display.fillRect(0, 26, displayWidth, 11, BLACK);
 
     // Check if it’s time to scroll based on the delay
-    if(fileNameWidth > 22) {
+    if(fileNameWidth > displayWidth) {
         if (millis() - lastScrollTime > scrollDelay) {
             // Update scroll position based on the current direction
             scrollPos += scrollDirection;